Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry

Gonzalez-Juez, Esteban

doi:10.3390/aerospace6070082

Title: Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry

Abstract

With the goal of assessing the capability of Computational Fluid Dynamics (CFD) to simulate combustion instabilities, the present work considers a premixed, bluff-body-stabilized combustor with well-defined inlet and outlet boundary conditions. The present simulations produce flow behaviors in good qualitative agreement with experimental observations. Notably, the flame flapping and standing acoustic waves seen in the experiments are reproduced by the simulations. Moreover, present predictions for the dominant instability frequency have an error of 7% and those of the rmspressure fluctuations show an error of 16%. In addition, an analysis of simulation results for the limit cycle complements previous experimental analyses by supporting the presence of an active frequency-locking mechanism.

Authors:: Gonzalez-Juez, Esteban

Publication Date:: Sun Jul 21 00:00:00 EDT 2019

Sponsoring Org.:: USDOE

OSTI Identifier:: 1562606

Grant/Contract Number:: FA9101-13-M-0020

Resource Type:: Published Article

Journal Name:: Aerospace

Additional Journal Information:: Journal Name: Aerospace Journal Volume: 6 Journal Issue: 7; Journal ID: ISSN 2226-4310

Publisher:: MDPI AG

Country of Publication:: Country unknown/Code not available

Language:: English

Citation Formats


                    Gonzalez-Juez, Esteban. Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry.  Country unknown/Code not available: N. p., 2019. 
Web.  doi:10.3390/aerospace6070082.

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                    Gonzalez-Juez, Esteban. Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry.  Country unknown/Code not available.  https://doi.org/10.3390/aerospace6070082

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                    Gonzalez-Juez, Esteban. Sun .  
"Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry".  Country unknown/Code not available.  https://doi.org/10.3390/aerospace6070082.

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@article{osti_1562606,

  title        = {Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry},

  author       = {Gonzalez-Juez, Esteban},

  abstractNote = {With the goal of assessing the capability of Computational Fluid Dynamics (CFD) to simulate combustion instabilities, the present work considers a premixed, bluff-body-stabilized combustor with well-defined inlet and outlet boundary conditions. The present simulations produce flow behaviors in good qualitative agreement with experimental observations. Notably, the flame flapping and standing acoustic waves seen in the experiments are reproduced by the simulations. Moreover, present predictions for the dominant instability frequency have an error of 7% and those of the rmspressure fluctuations show an error of 16%. In addition, an analysis of simulation results for the limit cycle complements previous experimental analyses by supporting the presence of an active frequency-locking mechanism.},

  doi          = {10.3390/aerospace6070082},

  journal      = {Aerospace},

  number       = 7,

  volume       = 6,

  place        = {Country unknown/Code not available},

  year         = {Sun Jul 21 00:00:00 EDT 2019},

  month        = {Sun Jul 21 00:00:00 EDT 2019}

}

Copy to clipboard

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Similar Records

Title: Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry

Abstract

Citation Formats

Large Eddy Simulation of self excited azimuthal modes in annular combustors journal, January 2009

On the robust, flexible and consistent implementation of time domain impedance boundary conditions for compressible flow simulations journal, June 2016

Investigation of the impact of high liquid viscosity on jet atomization in crossflow via high-fidelity simulations journal, August 2017

Reheat buzz: an acoustically coupled combustion instability. Part 1. Experiment journal, August 1988

Solution of the implicitly discretised fluid flow equations by operator-splitting journal, January 1986

Actual Impedance of Nonreflecting Boundary Conditions: Implications for Computation of Resonators journal, May 2004

Large eddy simulation of fire plumes journal, January 2011

Sensitivity of LES-based harmonic flame response model for turbulent swirled flames and impact on the stability of azimuthal modes journal, January 2015

Challenging modeling strategies for LES of non-adiabatic turbulent stratified combustion journal, November 2015

LES and acoustic analysis of thermo-acoustic instabilities in a partially premixed model combustor journal, January 2013

Analysis of diesel spray dynamics using a compressible Eulerian/VOF/LES model and microscopic shadowgraphy journal, January 2017

Vortex-acoustic lock-on in bluff-body and backward-facing step combustors journal, April 2007

Large eddy simulation of flame structure and combustion mode in a hydrogen fueled supersonic combustor journal, August 2015

Large eddy simulation of unsteady combustion journal, January 1996

LES to Ease Understanding of Complex Unsteady Combustion Features of Ramjet Burners journal, October 2010

Transverse combustion instabilities: Acoustic, fluid mechanic, and flame processes journal, August 2015

Large eddy simulation of n-Dodecane spray combustion in a high pressure combustion vessel journal, December 2014

Using LES to Study Reacting Flows and Instabilities in Annular Combustion Chambers journal, September 2011

A Mechanism for High-Frequency Oscillation in Ramjet Combustors and Afterburners journal, June 1956

A tensorial approach to computational continuum mechanics using object-oriented techniques journal, January 1998

A Statistically-Derived Subgrid-Scale Kinetic Energy Model for the Large-Eddy Simulation of Turbulent Flows journal, August 1985

LES of longitudinal and transverse self-excited combustion instabilities in a bluff-body stabilized turbulent premixed flame journal, November 2015

Thermoacoustic instabilities: Should the Rayleigh criterion be extended to include entropy changes? journal, July 2005

Mitigating self-excited flame pulsating and thermoacoustic oscillations using perforated liners journal, July 2019

Large-Eddy Simulation and Acoustic Analysis of a Swirled Staged Turbulent Combustor journal, April 2006

Comparison of Open and Choked Premixed Combustor Exits During Thermoacoustic Limit Cycle journal, February 2008

Large eddy simulation modelling of combustion for propulsion applications journal, July 2009

Large-Eddy Simulation of Combustion Dynamics of Lean-Premixed Swirl-Stabilized Combustor journal, September 2003

Nonlinear self-excited oscillations of a ducted flame journal, September 1997

Verification and Validation of OpenFOAM for High-Lift Aircraft Flows journal, July 2019

Acoustical Resonances Produced by Combustion of a Fuel‐Air Mixture in a Rectangular Duct journal, March 1959

On the Rayleigh conductivity of a bias-flow aperture journal, December 2005

Thermoacoustic limit cycles in a premixed laboratory combustor with open and choked exits journal, September 2009

Coupling between hydrodynamics, acoustics, and heat release in a self-excited unstable combustor journal, April 2015

Sensitivity of the Numerical Prediction of Turbulent Combustion Dynamics in the LIMOUSINE Combustor journal, October 2013

Prediction and control of combustion instabilities in real engines journal, January 2017

Boundary conditions for direct simulations of compressible viscous flows journal, July 1992

Combustion instability related to vortex shedding in dump combustors and their passive control journal, January 1992

Massively parallel LES of azimuthal thermo-acoustic instabilities in annular gas turbines journal, June 2009

Large Eddy Simulation of self excited azimuthal modes in annular combustors
journal, January 2009

On the robust, flexible and consistent implementation of time domain impedance boundary conditions for compressible flow simulations
journal, June 2016

Investigation of the impact of high liquid viscosity on jet atomization in crossflow via high-fidelity simulations
journal, August 2017

Reheat buzz: an acoustically coupled combustion instability. Part 1. Experiment
journal, August 1988

Solution of the implicitly discretised fluid flow equations by operator-splitting
journal, January 1986

Actual Impedance of Nonreflecting Boundary Conditions: Implications for Computation of Resonators
journal, May 2004

Large eddy simulation of fire plumes
journal, January 2011

Sensitivity of LES-based harmonic flame response model for turbulent swirled flames and impact on the stability of azimuthal modes
journal, January 2015

Challenging modeling strategies for LES of non-adiabatic turbulent stratified combustion
journal, November 2015

LES and acoustic analysis of thermo-acoustic instabilities in a partially premixed model combustor
journal, January 2013

Analysis of diesel spray dynamics using a compressible Eulerian/VOF/LES model and microscopic shadowgraphy
journal, January 2017

Vortex-acoustic lock-on in bluff-body and backward-facing step combustors
journal, April 2007

Large eddy simulation of flame structure and combustion mode in a hydrogen fueled supersonic combustor
journal, August 2015

Large eddy simulation of unsteady combustion
journal, January 1996

LES to Ease Understanding of Complex Unsteady Combustion Features of Ramjet Burners
journal, October 2010

Transverse combustion instabilities: Acoustic, fluid mechanic, and flame processes
journal, August 2015

Large eddy simulation of n-Dodecane spray combustion in a high pressure combustion vessel
journal, December 2014

Using LES to Study Reacting Flows and Instabilities in Annular Combustion Chambers
journal, September 2011

A Mechanism for High-Frequency Oscillation in Ramjet Combustors and Afterburners
journal, June 1956

A tensorial approach to computational continuum mechanics using object-oriented techniques
journal, January 1998

A Statistically-Derived Subgrid-Scale Kinetic Energy Model for the Large-Eddy Simulation of Turbulent Flows
journal, August 1985

LES of longitudinal and transverse self-excited combustion instabilities in a bluff-body stabilized turbulent premixed flame
journal, November 2015

Thermoacoustic instabilities: Should the Rayleigh criterion be extended to include entropy changes?
journal, July 2005

Mitigating self-excited flame pulsating and thermoacoustic oscillations using perforated liners
journal, July 2019

Large-Eddy Simulation and Acoustic Analysis of a Swirled Staged Turbulent Combustor
journal, April 2006

Comparison of Open and Choked Premixed Combustor Exits During Thermoacoustic Limit Cycle
journal, February 2008

Large eddy simulation modelling of combustion for propulsion applications
journal, July 2009

Large-Eddy Simulation of Combustion Dynamics of Lean-Premixed Swirl-Stabilized Combustor
journal, September 2003

Nonlinear self-excited oscillations of a ducted flame
journal, September 1997

Verification and Validation of OpenFOAM for High-Lift Aircraft Flows
journal, July 2019

Acoustical Resonances Produced by Combustion of a Fuel‐Air Mixture in a Rectangular Duct
journal, March 1959

On the Rayleigh conductivity of a bias-flow aperture
journal, December 2005

Thermoacoustic limit cycles in a premixed laboratory combustor with open and choked exits
journal, September 2009

Coupling between hydrodynamics, acoustics, and heat release in a self-excited unstable combustor
journal, April 2015

Sensitivity of the Numerical Prediction of Turbulent Combustion Dynamics in the LIMOUSINE Combustor
journal, October 2013

Prediction and control of combustion instabilities in real engines
journal, January 2017

Boundary conditions for direct simulations of compressible viscous flows
journal, July 1992

Combustion instability related to vortex shedding in dump combustors and their passive control
journal, January 1992

Massively parallel LES of azimuthal thermo-acoustic instabilities in annular gas turbines
journal, June 2009